1 Human development is the scientific study of processes of change and stability.  The scientific study of human development began with studies of childhood during the nineteenth century.
verb (used with object), cultivated, cultivating. 1. to prepare and work on (land) in order to raise crops; till. 2. to use a cultivator on. 3. to promote or improve the growth of (a plant, crop, etc.) by labor and attention.
Cultivation means to plant, tend to and eventually harvest crops. Farmers cultivate all the fruits and vegetables that they grow. Cultivation means to plant, tend to and eventually harvest crops. Farmers cultivate all the fruits and vegetables that they grow.